Inventor

SUGAWARA AKIHIRO

JP3 patents

⚠️ This page may combine multiple inventors who share the name “SUGAWARA AKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

YOKOGAWA ELECTRIC WORKS LTD

1 patent

US4017828AApr 12, 1977

Redundancy system for data communication

YOKOGAWA ELECTRIC WORKS LTD82 citations94

SONY CORP

1 patent

US6634649B1Oct 21, 2003

Gasket, method of molding same, and cylindrical alkaline-manganese dioxide cell using same

SONY CORP19 citations81

YOKOGAWA ELECTRIC CORP

1 patent

US4046959ASep 6, 1977

Data communication system using photocouplers

YOKOGAWA ELECTRIC CORP7 citations71